How to import a C file into python

I made a GUI in Python and i just wanted to know how can i import a C file into python so every time a button is clicked on my GUI, different methods in the C program will be executed. I tried the 'Python' method of importing:

sys.path.insert(0, '/home/pi/Desktop/FTPclass.py')
import FTPclass

That worked for the python file i imported, but when I do the same for my c file, it complains saying my "testinc" module doesn't exist.

Thanks for everyone help in advance.
~Neamus

Answer

To use c file according to docs you need to first compile C code and then use the compiled file in your code

here is the link.
Visit http://book.pythontips.com/en/latest/python_c_extension.html